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Melab's user avatar
Melab
  • Member for 9 years, 1 month
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44 votes
2 answers
38k views

Is Triple DES still considered safe to use?

12 votes
1 answer
14k views

What is a universal hash function?

9 votes
2 answers
10k views

Explanation of each of the parameters used in ECC

1 vote
1 answer
7k views

What is the difference between a hash function and a pseudorandom function? [duplicate]

9 votes
2 answers
6k views

What is this "finite field cryptography"?

1 vote
1 answer
5k views

Calculating the multiplicative inverse of a number in $GF(2^n)$ where $n > 8$

-2 votes
1 answer
5k views

Speed of a 16384-bit RSA key

5 votes
2 answers
3k views

If the output size of SHAKE128/256 is variable, why is the security fixed at 128/256?

6 votes
1 answer
3k views

How does Boneh–Lynn–Shacham work?

7 votes
3 answers
3k views

Why don't table lookups run in constant time?

7 votes
1 answer
2k views

What is the security strength of an n-bit HMAC?

2 votes
1 answer
2k views

Why is ECBC-MAC with one key insecure?

1 vote
3 answers
2k views

Simple multiplication as an encryption method

6 votes
3 answers
2k views

Inserting a backdoor into a cryptographic hash function

3 votes
1 answer
2k views

Is only one shared secret generated by ECDH per key pair?

4 votes
2 answers
2k views

How secure is the E0 stream cipher used in Bluetooth?

10 votes
1 answer
2k views

What is an extendable output function?

6 votes
3 answers
2k views

Weaknesses in ARX block ciphers

0 votes
1 answer
2k views

Why use CCM instead CBC-then-MAC?

1 vote
2 answers
1k views

Merkle signature scheme

0 votes
2 answers
1k views

How fast would a polynomial time factoring algorithm compute?

2 votes
3 answers
1k views

Does this implementation of a function operate in constant time?

1 vote
2 answers
1k views

Authentication of data using XOR and a secure function

6 votes
2 answers
1k views

Could an HMAC be used as a hash?

2 votes
1 answer
1k views

Explain the fast Walsh–Hadamard transform in simple steps or pseudocode

4 votes
1 answer
1k views

Can (EC)DH keys be used as the signed content in X.509 certificates?

3 votes
2 answers
1k views

Combining a keystream generator with a block cipher

7 votes
2 answers
1k views

Post-quantum candidates for asymmetric cryptography with small key sizes

2 votes
1 answer
988 views

Are there any successful preimage attacks?

5 votes
2 answers
934 views

A bijective hash function